Top 7 Most Aamazing Facts about SIM Cards

Making of the world’s first sim card was done in 1991 by Munich founders Devrient & Giesecke



Regular sim card can work for about 12-15 years if any problem occurs.


If you are using a 3G sim card in a 4G or 5G mobile phone, it may cause many network and connectivity issues to you.


The loophole of a SIM card is the entering of a virus that damages all the info. like phone numbers and others, without even the user's notice


Unique MSISDN Number of every SIM Card makes it different and easily found among millions of other sim cards.


Nowadays, the introduction of 2 basic types of SIM cards is available one is soft SIM and other is e-SIM